Birth (3) Parturition (3) Labor (Obstetrics) (3) Childbirth (3) Birth (3) cohorte (3) naissance (3) santé (2) exposition (2) âge (2) Methods (2) Social sciences (2) Smoking (2) Pregnancy (2) Life (2) Health (2) Children (2) Age (2) Adolescence (2) Methods (2) Age (2) Pregnancy (2) Health (2) adolescence (2) stress (1) norme (1) tabagisme (1) risque (1) recherche (1) projet (1)